Merge "sched/walt: Improve the scheduler" (dda93521) · Commits · e / devices / android_kernel_fairphone_FP5

kernel/sched/fair.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -8195,6 +8195,27 @@ int can_migrate_task(struct task_struct p, struct lb_env env)
		return 0;
		}

		#ifdef CONFIG_SCHED_WALT
		if ((env->idle == CPU_NEWLY_IDLE) &&
		is_min_capacity_cpu(env->dst_cpu) &&
		!is_min_capacity_cpu(env->src_cpu) &&
		walt_get_rtg_status(p)) {
		bool pull_to_silver_allowed = false;
		unsigned int cpu;

		for_each_cpu(cpu, env->cpus) {
		if (!is_min_capacity_cpu(cpu) &&
		cpu_overutilized(cpu)) {
		pull_to_silver_allowed = true;
		break;
		}
		}

		if (!pull_to_silver_allowed)
		return 0;
		}
		#endif

		/*
		* Aggressive migration if:
		* 1) IDLE or NEWLY_IDLE balance.